'''
表：Employee
+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| id          | int     |
| name        | varchar |
| salary      | int     |
| managerId   | int     |
+-------------+---------+
id 是该表的主键（具有唯一值的列）。
该表的每一行都表示雇员的ID、姓名、工资和经理的ID。
编写解决方案，找出收入比经理高的员工。
以 任意顺序 返回结果表。
结果格式如下所示。
示例 1:
输入:
Employee 表:
+----+-------+--------+-----------+
| id | name  | salary | managerId |
+----+-------+--------+-----------+
| 1  | Joe   | 70000  | 3         |
| 2  | Henry | 80000  | 4         |
| 3  | Sam   | 60000  | Null      |
| 4  | Max   | 90000  | Null      |
+----+-------+--------+-----------+
输出:
+----------+
| Employee |
+----------+
| Joe      |
+----------+
解释: Joe 是唯一挣得比经理多的雇员。
'''
'''
使用内连接
# Write your MySQL query statement below
select e1.name as Employee from Employee as e1 inner join Employee as e2
on e1.managerId = e2.id and e1.salary > e2.salary;
'''